​U.S. Projects in Operation

The Claude "Bud" Lewis Carlsbad Desalination Plant
Located in San Diego County, CA at the Encina Power Station, this project provides 50 million gallons of desalinated seawater per day. The privately financed project produces enough drinking water for 400,000 San Diego County residents and provides the County with approximately 10 percent of its total water supply.​ View project.
Cranston, Rhode Island Wastewater Treatment Plant
​This landmark project, initiated in 1997, included a 25MGD (million gallon per day) wastewater treatment plant upgrade and was the first large-scale wastewater treatment privatization and upgrade in the United States.
Tampa Bay, Florida Desalination
Poseidon Water was the original developer and investor for this 25MGD desalination facility serving the Tampa Bay Water District, which was acquired by Tampa Bay Water and completed the project in 2002. This was the largest seawater desalination plant in operation in the United States prior to the Carlsbad Desalination Plant.

U.S. Projects in Development

The Huntington Beach Desalination Facility
The Huntington Beach Desalination Facility in Orange County, California is a 50MGD project targeted to enter commercial operations in 2020. The desalination plant will be located adjacent to the AES Huntington Beach Power Station. Learn more.
Florida Development Pipeline
Poseidon pursuing the development of seawater and brackish desalination projects in Florida. Poseidon is also pursuing wastewater and freshwater treatment opportunities for municipalities in Florida.  Learn more about the Florida market.
Texas Development Projects
Poseidon is actively pursuing the development of seawater and brackish desalination projects in Texas. Poseidon is also pursuing wastewater and freshwater treatment opportunities for industrials and municipalities in Texas. Learn more about the Texas market.

International Projects

Poseidon has successfully financed and completed several industrial water treatment and reuse projects in Mexico including the following:
Cadereyta Water Reclamation Facility
This 13.8 million gallon per day (MGD) facility was developed to handle the process waste streams of a PEMEX refinery in Cadereyta, Mexico and commenced operations in 1998.

Madero Water Reclamation Facility
A 3.5MGD wastewater reuse facility at a PEMEX refinery located in Madero, Mexico; commenced operations in 1999.

Tula Wastewater Treatment Facility
A 5.5MGD and municipal and industrial wastewater reuse facility located  at PEMEX’s Tula de Allenda facility near Mexico City, and commenced operations in 2000.
Minatitlan Water Reclamation Facility
This 15.7MGD reverse osmosis advanced treatment industrial reuse facility serving a PEMEX facility commenced operations in 2001.

Salina Cruz Water Treatment Facility
This 11.4MGD treatment and reuse project for an industrial customer in the seasonally arid state of Oaxaca commenced operations in 2002.

Sanepar
Located in ​​Parana, Brazil.